package com.session02;

public class TV {
    public int channel, volume; // 频道、⾳量

    public TV() {
        this(4, 5);
        System.out.println("在构造器TV()中");
    }

    public TV(int c, int v) {
        System.out.println("在构造器TV(int, int)中");
        channel = c;
        volume = v;
    }
}
